<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>title</title>
    <!-- base标签设置页面相对路径工作时参照的地址 -->
    <base href="http://localhost:8089/07_servlet/a/b/">
</head>
<body>
    这是a下的b下的c.html页面<br>

    <a href="../../index.html">跳回首页</a>

</body>
</html>